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March 27, 2021 10:55
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// The MIT License (MIT) | |
// | |
// Copyright (c) 2015 Suyeol Jeon (xoul.kr) | |
// | |
// Permission is hereby granted, free of charge, to any person obtaining a copy | |
// of this software and associated documentation files (the "Software"), to deal | |
// in the Software without restriction, including without limitation the rights | |
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
// copies of the Software, and to permit persons to whom the Software is | |
// furnished to do so, subject to the following conditions: | |
// | |
// The above copyright notice and this permission notice shall be included in all | |
// copies or substantial portions of the Software. | |
// | |
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
// SOFTWARE. | |
import Foundation | |
#if !os(Linux) | |
import CoreGraphics | |
#endif | |
#if os(iOS) || os(tvOS) | |
import UIKit.UIGeometry | |
#endif | |
public protocol Then {} | |
extension Then where Self: Any { | |
/// Makes it available to set properties with closures just after initializing and copying the value types. | |
/// | |
/// let frame = CGRect().with { | |
/// $0.origin.x = 10 | |
/// $0.size.width = 100 | |
/// } | |
@inlinable | |
public func with(_ block: (inout Self) throws -> Void) rethrows -> Self { | |
var copy = self | |
try block(©) | |
return copy | |
} | |
/// Makes it available to execute something with closures. | |
/// | |
/// UserDefaults.standard.do { | |
/// $0.set("devxoul", forKey: "username") | |
/// $0.set("devxoul@gmail.com", forKey: "email") | |
/// $0.synchronize() | |
/// } | |
@inlinable | |
public func `do`(_ block: (Self) throws -> Void) rethrows { | |
try block(self) | |
} | |
} | |
extension Then where Self: AnyObject { | |
/// Makes it available to set properties with closures just after initializing. | |
/// | |
/// let label = UILabel().then { | |
/// $0.textAlignment = .center | |
/// $0.textColor = UIColor.black | |
/// $0.text = "Hello, World!" | |
/// } | |
@inlinable | |
public func then(_ block: (Self) throws -> Void) rethrows -> Self { | |
try block(self) | |
return self | |
} | |
} | |
extension NSObject: Then {} | |
#if !os(Linux) | |
extension CGPoint: Then {} | |
extension CGRect: Then {} | |
extension CGSize: Then {} | |
extension CGVector: Then {} | |
#endif | |
extension Array: Then {} | |
extension Dictionary: Then {} | |
extension Set: Then {} | |
#if os(iOS) || os(tvOS) | |
extension UIEdgeInsets: Then {} | |
extension UIOffset: Then {} | |
extension UIRectEdge: Then {} | |
#endif |
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